Creating JSON with Jackson

jackson-json.java

 ObjectMapper mapper = new ObjectMapper();
 
        ArrayNode arrayNode = mapper.createArrayNode();

        ObjectNode objectNode1 = mapper.createObjectNode();
        objectNode1.put("bookName", "Java");
        objectNode1.put("price", "100");
 
        ObjectNode objectNode2 = mapper.createObjectNode();
        objectNode2.put("bookName", "Spring");
        objectNode2.put("price", "200");
 
        ObjectNode objectNode3 = mapper.createObjectNode();
        objectNode3.put("bookName", "Liferay");
        objectNode3.put("price", "500");

        arrayNode.add(objectNode1);
        arrayNode.add(objectNode2);
        arrayNode.add(objectNode3);
 
        /**
         * We can directly write the JSON in the console.
         * But it wont be pretty JSON String
         */
        System.out.println(arrayNode.toString());
 
        /**
         * To make the JSON String pretty use the below code
         */
        System.out.println(mapper.writerWithDefaultPrettyPrinter().writeValueAsString(arrayNode));